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Pavlova-9 [17]
3 years ago
13

What is the purpose of the wire coil in an electromagnet?

Physics
1 answer:
ziro4ka [17]3 years ago
3 0
It is to conduct electricity in the magnet so it has an electric field.

Please BRAINLIEST!
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Let's say you have two tuning forks which are supposed to produce the same frequency, 512 Hz. One is of good quality, but the ot
solong [7]

Answer:

= 2 beats per seconds

Explanation:

  • From |f -f'| = modulus of the difference between the frequency given.
  • f = 510Hz and f' = 512Hz
  • Difference between the frequency will give us the number of beat per seconds.
  • i.e 2 beats per seconds

These also shows how to get the period of the tuning forks.

7 0
3 years ago
A 40-w lightbulb connected to a 120-v source experiences a voltage surge that produces 132 v for a moment. by what percentage do
andrey2020 [161]
R=U^2/P=120*120/40=360 ohm
P2=U2^2/R=132*132/360=48.4 w
power increase ratio (48.4-40)/40=21%
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3 years ago
If a person consumes an extra 500 calories per day, how long would it take before he or she gained one pound of fat?
Ostrovityanka [42]
The answer is A. 10 days
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Is charging by contact the same as charging by conduction?
netineya [11]

Answer:So, the difference between charging by induction and conduction comes down to the contact of the neutral object and the object used to charge it. Conduction requires direct contact, while induction does not.

Explanation:

8 0
3 years ago
Read 2 more answers
The conduction velocity of an axon is determined by:
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The conduction velocity of an axon is determined by myelin sheath

thickness and internode distance.

Axon are structures in the neuron which is involved in the conduction of

impulses away from the cell body. Axons which have myelin sheath conduct

impulses faster than those without it.

Axons which have thicker myelin sheath and longer internode distance will

increase the conduction velocity of an axon and vice versa.

Read more on brainly.com/question/23488967

4 0
2 years ago
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